Re: [PATCH net-next v3 3/3] net: ti: icssg-prueth: Add Support for Multicast filtering with VLAN in HSR mode

From: Roger Quadros
Date: Tue Jan 07 2025 - 08:23:22 EST




On 03/01/2025 11:20, MD Danish Anwar wrote:
> Add multicast filtering support for VLAN interfaces in HSR offload mode
> for ICSSG driver.
>
> The driver calls vlan_for_each() API on the hsr device's ndev to get the
> list of available vlans for the hsr device. The driver then sync mc addr of
> vlan interface with a locally mainatined list emac->vlan_mcast_list[vid]
> using __hw_addr_sync_multiple() API.
>
> The driver then calls the sync / unsync callbacks.
>
> In the sync / unsync call back, driver checks if the vdev's real dev is
> hsr device or not. If the real dev is hsr device, driver gets the per
> port device using hsr_get_port_ndev() and then driver passes appropriate
> vid to FDB helper functions.
>
> This commit makes below changes in the hsr files.
> - Move enum hsr_port_type from net/hsr/hsr_main.h to include/linux/if_hsr.h
> so that the enum can be accessed by drivers using hsr.
> - Create hsr_get_port_ndev() API that can be used to get the ndev
> pointer to the slave port from ndev pointer to the hsr net device.
> - Export hsr_get_port_ndev() API so that the API can be accessed by
> drivers using hsr.
>
> Signed-off-by: MD Danish Anwar <danishanwar@xxxxxx>
> ---
> drivers/net/ethernet/ti/icssg/icssg_prueth.c | 83 +++++++++++++++-----
> drivers/net/ethernet/ti/icssg/icssg_prueth.h | 2 +
> include/linux/if_hsr.h | 18 +++++
> net/hsr/hsr_device.c | 13 +++
> net/hsr/hsr_main.h | 9 ---

Should we be splitting hsr core changes into separate patch first,
then followed by a patch with icssg driver changes?

> 5 files changed, 97 insertions(+), 28 deletions(-)

--
cheers,
-roger